3
NOTE: Vb is the gross volume, which is the TOTAL internal volume, before any speaker and/or port displacement.
All external dimensions were based on the use of 3/4" (1.90cm) materials.
NOTE: When using enclosures other than recommended, call Technical Support for correct application.
NOTE: Vb is the gross volume, which is the TOTAL internal volume, before any speaker and/or port displacement.
All external dimensions were based on the use of 3/4" (1.90cm) materials.
NOTE: When using enclosures other than recommended, call Technical Support for correct application.
SEALED ENCLOSURES
VENTED ENCLOSURES
Specifications subject to change without notice
Optimum Sealed Enclosure Recommendation
Recommended Sealed Enclosure Volume Range
SEALDED ENCLOSURES 8" 10" 12" 15"
P2D28 / P2D48 P2D210 / P2D410 P2D212 / P2D412 P2D215 / P2D415
Vb- Internal Area cu. ft. 0.23 0.59 1.02 1.58
(Liter) (6.51) (16.42) (28.88) (44.74)
F3- -3dB Point (Hz) 69.70 46.81 40.57 34.30
Qtc- Enclosure Damping 0.656 0.784 0.952 1.197
H - Height-inch 10.0 12.0 14.0 18.0
(cm) (25.40) (30.48) (35.56) (45.72)
W - Width-inch 12.0 14.0 18.0 21.0
(cm) (30.48) (35.56) (45.72) (53.34)
D - Depth-inch 6.0 9.25 10.0 10.0
(cm) (15.24) (23.50) (25.40) (25.40)
SEALDED ENCLOSURES 8" 10" 12" 15"
P2D28 / P2D48 P2D210 / P2D410 P2D212 / P2D412 P2D215 / P2D415
Vb- Volume Range cu. ft. 0.20 to 0.30 0.50 to 0.85 0.70 to 1.80 1.30 to 3.50
(Liter) (5.66 to 8.50) (14.16 to 24.07) (19.82 to 50.97) (36.81 to 99.10)
H
W
D
Specifications subject to change without notice
Number of ports noted in ( )
Optimum Vented (Ported) Enclosure Sizes
VENTED ENCLOSURES 8" 10" 12" 15"
P2D28 / P2D48 P2D210 / P2D410 P2D212 / P2D412 P2D215 / P2D415
Vb- Internal Area cu. ft. 0.65 1.40 1.79 2.66
(Liter) (18.41) (39.64) (50.69) (75.32)
Fb- Tuning Frequency (Hz) 38.5 40.1 39.5 32.0
F3- -3dB Point (Hz) 34.4 32.8 33.1 29.6
H - Height-inch 12.0 12.0 14.0 18.0
(cm) (30.48) (30.48) (35.56) (45.72)
W - Width-inch 18.0 20.0 25.0 28.0
(cm) (45.72) (50.80) (63.50) (71.12)
D - Depth-inch 8.0 14.0 12.0 12.0
(cm) (20.32) (35.56) (30.48) (30.48)
P - Port Diameter and
Length-inch (1) 2 x 8 (1) 4 x 14 (1) 4 x 10 (1) 4 x 10
(cm) (1) (5.08 x 20.32) (1) (10.16 x 35.56) (1) (10.16 x 25.40) (1) (10.16 x 25.40)
P
H
W
D